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SL-3 R/B
Launch Details
| Launched | 13 December 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10515 |
| COSPAR ID | 1977-117B |
| Observing |
Current orbital elements
| Inclination | 81.243° |
| Eccentricity | 0.00323 |
| RA ascending node | 15.509 hr |
| Argument perigee | 27.100° |
| Mean anomaly | 333.185° |
| Orbital period | 102.196 min |
| Epoch of osculation | 15 Sep 2025, 04:53 |
Derived Quantities
| Min Altitude | 846.4 km |
| Mean Altitude | 869.7 km |
| Peak Altitude | 893.1 km |
Orbital History
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